Home / 615,489.13-849,516.71-360,922.33

Finding the Fourth Proportional to 615,489.13, 849,516.71 and 360,922.33

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Solution

The fourth proportional to 615,489.13, 849,516.71 and 360,922.33 is: 498,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,489.13 : 849,516.71 = 360,922.33 : x
  2. Step 2: Convert to fraction form
    615,489.13/849,516.71 = 360,922.33/x
  3. Step 3: Cross multiply
    615,489.13x = 849,516.71 × 360,922.33
  4. Step 4: Simplify right side
    615,489.13x = 306,609,550,347.13
  5. Step 5: Solve for x
    x = 306,609,550,347.13/615,489.13
  6. Step 6: Final answer
    x = 498,155.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.